Fix incorrect analytical reference value for reaction torque.
Fix incorrect analytical reference value for reaction torque.

projectchrono/chrono,jcmadsen/chrono,projectchrono/chrono,dariomangoni/chrono,armanpazouki/chrono,Milad-Rakhsha/chrono,Milad-Rakhsha/chrono,tjolsen/chrono,Milad-Rakhsha/chrono,andrewseidl/chrono,armanpazouki/chrono,dariomangoni/chrono,andrewseidl/chrono,jcmadsen/chrono,amelmquist/chrono,Milad-Rakhsha/chrono,PedroTrujilloV/chrono,rserban/chrono,rserban/chrono,Milad-Rakhsha/chrono,PedroTrujilloV/chrono,andrewseidl/chrono,andrewseidl/chrono,projectchrono/chrono,amelmquist/chrono,Bryan-Peterson/chrono,Bryan-Peterson/chrono,jcmadsen/chrono,projectchrono/chrono,tjolsen/chrono,amelmquist/chrono,PedroTrujilloV/chrono,Bryan-Peterson/chrono,hsu/chrono,amelmquist/chrono,amelmquist/chrono,dariomangoni/chrono,rserban/chrono,armanpazouki/chrono,PedroTrujilloV/chrono,dariomangoni/chrono,hsu/chrono,rserban/chrono,jcmadsen/chrono,rserban/chrono,rserban/chrono,dariomangoni/chrono,hsu/chrono,tjolsen/chrono,PedroTrujilloV/chrono,projectchrono/chrono,jcmadsen/chrono,armanpazouki/chrono,andrewseidl/chrono,Bryan-Peterson/chrono,armanpazouki/chrono,tjolsen/chrono,Milad-Rakhsha/chrono,amelmquist/chrono,jcmadsen/chrono,rserban/chrono,armanpazouki/chrono,tjolsen/chrono,hsu/chrono,dariomangoni/chrono,projectchrono/chrono,Bryan-Peterson/chrono,hsu/chrono,jcmadsen/chrono